| Tournament | Round | Marilyn Smith | Betty Foreman |
| 05.04.1999 Australian Championships (NSW) | 3 | 392 | 278 |
| 17.04.2006 Australian Championships (QLD) | 7 | 369 | 426 |
| 09.04.2007 Australian Championships (NSW) | 22 | 403 | 345 |
| 09.04.2012 Australian Championship (TAS) | 16 | 279 | 411 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 360.75 | 365 | |
| Spread: | -17 | 17 | |